Psilocybin for Post-Traumatic Stress Disorder
(Redefine Trial)
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial explores whether a lab-made form of psilocybin, called COMP360, can help reduce symptoms of post-traumatic stress disorder (PTSD). Participants will receive either 1 mg, 10 mg, or 25 mg of COMP360 psilocybin, with support from a trained study team. The trial aims to determine if this treatment can ease living with PTSD. It is suitable for individuals who have had PTSD for at least six months and are not diagnosed with certain psychiatric conditions like bipolar disorder or schizophrenia. As a Phase 2, Phase 3 trial, this research measures the treatment's effectiveness in an initial, smaller group and represents the final step before FDA approval, offering participants a chance to contribute to potentially groundbreaking PTSD treatment advancements.
Is there any evidence suggesting that COMP360 psilocybin is likely to be safe for humans?
Research has shown that COMP360 psilocybin is generally well tolerated by participants. In earlier studies, most people did not experience serious side effects. For example, one study found no serious adverse events, indicating the treatment was safe for those involved. Additionally, the treatment showed promise in improving PTSD symptoms. These findings suggest that COMP360 psilocybin could be a safe option for individuals considering participation in a clinical trial for PTSD treatment. However, as with any treatment, experiences can vary, so discussing any concerns with a healthcare provider is important.12345
Why do researchers think this study treatment might be promising for PTSD?
Most treatments for Post-Traumatic Stress Disorder (PTSD) involve medications like SSRIs or therapy sessions that can take weeks or months to show results. But COMP360 psilocybin works differently, offering a potentially faster approach. Psilocybin, the active ingredient, targets serotonin receptors in the brain, which might lead to profound changes in mood and perception, helping to alleviate PTSD symptoms more rapidly. Researchers are excited because it could offer a new, fast-acting option that works in just one or two doses, unlike traditional treatments that require ongoing administration.
What evidence suggests that COMP360 psilocybin might be an effective treatment for PTSD?
Research has shown that COMP360, a lab-made version of psilocybin, may help reduce PTSD symptoms. Studies have found that COMP360 can quickly and lastingly improve these symptoms without causing serious side effects. In trials, patients also experienced less depression, which often accompanies PTSD. The treatment was well-received and did not cause any major negative effects. Early data suggest that combining COMP360 with therapy can enhance its effectiveness. Overall, these findings support COMP360 as a possible treatment for PTSD.13456
Are You a Good Fit for This Trial?
This trial is for adults aged 18 or older who have been diagnosed with PTSD for at least 6 months. People with certain medical or psychiatric conditions may not be able to join.Inclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants receive COMP360 psilocybin alongside monitoring and support from a trained study team
Follow-up
Participants are monitored for safety and effectiveness after treatment
Open-label extension
Participants may opt into continuation of treatment long-term
What Are the Treatments Tested in This Trial?
Interventions
- COMP360 psilocybin
Trial Overview
The study is testing COMP360, a lab-made form of psilocybin, given along with support from trained staff to see if it helps reduce PTSD symptoms.
How Is the Trial Designed?
3
Treatment groups
Experimental Treatment
Active Control
Find a Clinic Near You
Who Is Running the Clinical Trial?
COMPASS Pathways
Lead Sponsor
Citations
1.
ir.compasspathways.com
ir.compasspathways.com/News--Events-/news/news-details/2025/Compass-Pathways-Announces-Publication-of-Results-from-Phase-2-Study-of-COMP360-Psilocybin-for-Post-Traumatic-Stress-Disorder/default.aspxCompass Pathways Announces Publication of Results from ...
COMP360 psilocybin dose was well tolerated, with no serious adverse events observed, and indicated both rapid and durable improvement in ...
A nonrandomized open-label clinical trial - Sage Journals
A Phase 2 trial examining single-dose COMP360 psilocybin suggested that treatment was well-tolerated, produced a rapid decrease in depressive ...
NCT05312151 | The Safety and Tolerability of COMP360 in ...
Investigational psilocybin treatment for post-traumatic stress disorder: a qualitative study of participant experience, trauma engagement, and differences ...
The Safety And Tolerability Of Comp360 (Psilocybin) In ...
This is a phase 2, open-label study investigating psilocybin therapy as a treatment for posttraumatic stress disorder.
Investigational psilocybin treatment for post-traumatic stress ...
Psilocybin has shown promise in treating depression, a condition that is often comorbid with PTSD. We aimed to explore participant experiences of psilocybin ...
Investigational psilocybin treatment for post-traumatic ...
This qualitative study was nested within a quantitative, open-label phase 2 trial assessing the safety and tolerability of COMP360 psilocybin ...
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